From 3bd2e217070f46baa43bfce4b9700dd116edba6b Mon Sep 17 00:00:00 2001 From: Jackistang Date: Fri, 14 Aug 2020 18:53:29 +0800 Subject: [PATCH] update src/device.c. Correct "rt_device_read()" and "rt_device_write()" comments error. They should return 0 on fail, otherwise negative. --- src/device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/device.c b/src/device.c index 32c06b380c..7333df8afb 100644 --- a/src/device.c +++ b/src/device.c @@ -339,7 +339,7 @@ RTM_EXPORT(rt_device_close); * @param buffer the data buffer to save read data * @param size the size of buffer * - * @return the actually read size on successful, otherwise negative returned. + * @return the actually read size on successful, otherwise zero returned. * * @note since 0.4.0, the unit of size/pos is a block for block device. */ @@ -378,7 +378,7 @@ RTM_EXPORT(rt_device_read); * @param buffer the data buffer to be written to device * @param size the size of buffer * - * @return the actually written size on successful, otherwise negative returned. + * @return the actually written size on successful, otherwise zero returned. * * @note since 0.4.0, the unit of size/pos is a block for block device. */